Alexander Scriabin – Prelude, Op. 11 No. 18. The composition is in the public domain (Alexander Scriabin died in 1915). Piano solo arrangement, 4 pages, two staves, with chord symbols above the staff. Note: this score was produced with an AI-assisted transcription tool (PopPianoAI) from a piano recording, then formatted by the arranger. It is a playable arrangement, not an urtext edition — meter, ornaments and voicing may differ from the original score. Reference recording: "Scriabin 24 Preludes Op.11 - No.18 in F minor" (YouTube). The video is not by the arranger.